a highly porous and lightweight material derived from a gel, in which the liquid component is replaced with gas, often used for insulation or as a lightweight structural material.

エアロゲルは、ゲルから派生した非常に多孔質で軽量な材料で、液体成分がガスに置き換えられたもの。断熱材や軽量構造材としてよく使用される